Engineering analysis

1- Suppose the jumbo jet of mass 30000 kg flies against an air resistance of 850

1- Suppose the jumbo jet of mass 30000 kg flies against an air resistance of 85000 N while the thrust of all four engines is 100000 N. Find the acceleration of the plane.   Expres…

1- Suppose the jumbo jet of mass 30000 kg flies against an air resistance of 850

1- Suppose the jumbo jet of mass 30000 kg flies against an air resistance of 85000 N while the thrust of all four engines is 100000 N. Find the acceleration of the plane.   Expres…

1- T F IT consists of a set of tools, methodologies, and procedures. 2- T F Lase

1- T          F          IT consists of a set of tools, methodologies, and procedures. 2- T          F          Laser scanning is converting field measurements into digital form p…

1- Temperature distribution in a part of a heat exchanger in the steady state co

1- Temperature distribution in a part of a heat exchanger in the steady state condition should be determined. The part is shown in Figure-1 has a thermal conductivity of k 25W/m.K…

1- The Atmos Clock The Atmos clock (the so-called perpetual motion clock) gets i

1- The Atmos Clock The Atmos clock (the so-called perpetual motion clock) gets its name from the fact that it runs off pressure variations in the atmosphere, which drive a bellows…

1- The U.S. Environmental Protection Agency estimates that construction and buil

1- The U.S. Environmental Protection Agency estimates that construction and building operations in this county result in : (a) The addition of 25-40% to municipal waste disposal (…

1- The aim of compacting a fill is to fit as many soil solids into a given volum

1- The aim of compacting a fill is to fit as many soil solids into a given volume as possible. Two soils are available as potential fill, one is classified as SW and the other SP.…

1- The figure below shows several rotating objects and the forces applied to the

1- The figure below shows several rotating objects and the forces applied to them. According to our convention for finding the sign of ?, which of these torques are positive and w…

1- The flywheel of a steam engine begins to rotate from rest with a constant ang

1- The flywheel of a steam engine begins to rotate from rest with a constant angular acceleration of 1.43 radians/s2. It accelerates for 34.3 s, then maintains a constant angular …

1- The focal length of a lens can be changed by changing the object distance. a-

1- The focal length of a lens can be changed by changing the object distance. a- true b- false 2-An object 16.03 cm in front of a lens creates a sharp image 26.57 cm away from the…

1- The graph shows how the force component F cos ? along the displacement varies

1- The graph shows how the force component F cos ? along the displacement varies with the magnitude s of the displacement. If Fmax = 65.0 N and smax = 1.60 m, find the work done b…

1- The influent suspended solids concentration to a primary settling tank is 435

1- The influent suspended solids concentration to a primary settling tank is 435mg/L. The average flow rate is 0.050m3/s. If the suspended solids removal efficiency is 60 percent,…

1- The old LP record can spin at 30 rmp. if the linear speed at the rims of the

1- The old LP record can spin at 30 rmp. if the linear speed at the rims of the record is 6 cm/s, what is the linear speed half way between the center and the rims of the record? …

1- The parameter a in the van der Waals equation is greater for H2O than for He.

1- The parameter a in the van der Waals equation is greater for H2O than for He. What does this say about the nature of the potential energy function for the two gases? Assuming t…

1- The period of a simple pendulum is 4.2 s at a point where g = 9.81 m/s 2 . Wh

1- The period of a simple pendulum is 4.2 s at a point where g = 9.81 m/s2. What would be the period of this pendulum if it were on the Moon, where the acceleration due to gravity…

1- The polar coordinates of a certain point are ( r = 3.25 cm, = 185°). (a) Find

1- The polar coordinates of a certain point are (r = 3.25 cm, =  185°). (a) Find its Cartesian coordinates x and y. (b) Find the polar coordinates of the points with Cartesian coo…

1- The second wave is phase shifted by +0.2 rad (a small amount) from the first

1- The second wave is phase shifted by +0.2 rad (a small amount) from the first wave. Which is true about the phasors? a- The phasor for the first wave goes through the vertical o…

1- The statement F = 0 applies only to bodies atrest. True False 2- A diagram th

1- The statement F = 0 applies only to bodies atrest. True False 2- A diagram that shows all of the external forces (andmoments) acting on the selected particle or body is referre…

1- To dope Ge with n- and p-type doping, which materials should be used (a) Al f

1-      To dope Ge with n- and p-type doping, which materials should be used (a)    Al for p-type (b)    In for n-type (c)     C for n-type (d)    As for p-type (e)    Sb for n-ty…

1- True or False for the following statements. If False, please explain why (3%

1- True or False for the following statements. If False, please explain why (3% each In Normal-Tangential (N-T) coordinates, the acceleration exists in both N and T directions, so…

1- Two 1-km fibers are spliced together. Each fiber has a 3-dB loss, and the spl

1- Two 1-km fibers are spliced together. Each fiber has a 3-dB loss, and the splice adds 2 dB of loss. If the power entering is 2 mW, then how much power is delivered to the end o…

1- Two cars drive on a straight highway. At time t = 0 , car 1 passes mile marke

1- Two cars drive on a straight highway. At time t=0, car 1 passes mile marker 0 traveling due east with a speed of 16.0m/s . At the same time, car 2 is 1.2km east of mile marker …

1- Two forces are applied to a car in an effort to move it, as shown in the foll

1- Two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 433 N and F2 = 373 N. (Assume up and to the right as positive directions.)…

1- Two rods are made of different materials, but have the same dimension. When t

1- Two rods are made of different materials, but have the same dimension. When the same electric current runs through them, the voltage across rod 1 is twice the voltage across ro…

1- Two spherical masses separated by a distance of 10.0 meters from center to ce

1- Two spherical masses separated by a distance of 10.0 meters from center to center, experience a gravitational force of 80 ?N. What would be the force between them (in micronewt…

1- Two strings which are fixed at both ends are identical except that one is 0.6

1- Two strings which are fixed at both ends are identical except that one is 0.62 cm longer than the other. Waves on both of these string propagate with a speed of 34.8 m/sec and …

1- Using python write a program that calculates n! (n-factorial). The program sh

1- Using python write a program that calculates n! (n-factorial). The program should at the beginning of the calculation print “Now calculating n!”, with “n” being whatever real i…

1- What are the two kinds (processes) of rock sedimentation that break down rock

1- What are the two kinds (processes) of rock sedimentation that break down rock? 2- The 3 main physical states of clay (in a volume-moisture relationship) are _____________, ____…

1- What is the ac excitation system for the generators ? and how does it work ?

1- What is the ac excitation system for the generators ? and how does it work ? What's the purpose of it ? 2- what it the hydrogen cooling system for the generators? How does it w…

1- What is the final speed of the white ball? 2- What is the final speed of the

1- What is the final speed of the white ball? 2- What is the final speed of the black ball? 3- What is the magnitude of the final total momentum of the system? 4- What is the fina…

1- What is the impedance of a 1.34 k? resistor, a 105 mH inductor, and a 24.7 ?F

1- What is the impedance of a 1.34 k? resistor, a 105 mH inductor, and a 24.7 ?F capacitor A) 1340 ? B)1340 Hz C) 990 ? D) 2350 ? 2- When an ac generator with a frequency of 160 H…

1- What is the magnitude of the upward acceleration of the load of bricks? 2- Wh

1- What is the magnitude of the upward acceleration of the load of bricks? 2- What is the tension in the rope while the load is moving? A load of bricks with mass m1 = 15.4kg hang…

1- What is the minimum stopping distance for a 1300 k g car traveling 98 k m / h

1- What is the minimum stopping distance for a 1300kg  car traveling 98km/h  if ?s = 0.55? Express your answer to two significant figures and include the appropriate units. 2- Wha…

1- What is the minimum stopping distance for a 1300 k g car traveling 98 k m / h

1- What is the minimum stopping distance for a 1300kg  car traveling 98km/h  if ?s = 0.55? Express your answer to two significant figures and include the appropriate units. 2- Wha…

1- What is the moment of inertia of the object about an axis at the left end of

1- What is the moment of inertia of the object about an axis at the left end of the rod? 2- If the object is fixed at the left end of the rod, what is the angular acceleration if …

1- What is the relationship between the direction of electric field and that of

1- What is the relationship between the direction of electric field and that of the electric force on a test charge? If the test charge is positive, the electric force on the test…

1- What is the relationship between the direction of electric field and that of

1- What is the relationship between the direction of electric field and that of the electric force on a test charge? If the test charge is positive, the electric force on the test…

1- What is the tension in the left string? 0.82 2- Now the right string is cut!

1- What is the tension in the left string? 0.82 2- Now the right string is cut! What is the initial angular acceleration of the meterstick about its pivot point? (You may assume t…

1- What is the tension in the wire? 2-What is the net force the hinge exerts on

1- What is the tension in the wire? 2-What is the net force the hinge exerts on the beam? 3- The maximum tension the wire can have without breaking is T = 1076 N. What is the maxi…

1- What type of Programming concept is used in LabVIEW? a) Interactive Programmi

1- What type of Programming concept is used in LabVIEW? a) Interactive Programming b) Graphical Programming c) Text-based Programming d) Java Programming 2- What is the Block Diag…

1- When an object has an axis of symmetry, the centroid of the area must lie on

1- When an object has an axis of symmetry, the centroid of the area must lie on that axis. true false 2-Direct integration is the best way to determine centroids and moments of in…

1- When calculating the binding energy, what is Z multiplied by? D) Any of the a

1- When calculating the binding energy, what is Z multiplied by? D) Any of the above will work since they all have approximately the same mass. 2- Which types of decay will cause …

1- When calculating the binding energy, what is Z multiplied by? D) Any of the a

1- When calculating the binding energy, what is Z multiplied by? D) Any of the above will work since they all have approximately the same mass. 2- Which types of decay will cause …

1- Which of the following has a largest net force? a. A 1 C charge a distance of

1- Which of the following has a largest net force? a. A 1 C charge a distance of 1 m from a -2 C charge. b. A 1 C charge a distance of 0.5 m from a -1 C charge. c. A 1 C charge ex…

1- Wirite a user-deined REATLAD function which takes the coefficents of the quad

1- Wirite a user-deined REATLAD function which takes the coefficents of the quadraic equation az"brtem0 as imputs and refurns its roots and 22 as outputs. For function name and ar…

1- Wirite a user-deined REATLAD function which takes the coefficents of the quad

1- Wirite a user-deined REATLAD function which takes the coefficents of the quadraic equation az"brtem0 as imputs and refurns its roots and 22 as outputs. For function name and ar…

1- Would we need to reduce or increase the lengths measured at 30C ?? Explain. 2

1- Would we need to reduce or increase the lengths measured at 30C ?? Explain. 2- Suppose you measure the melting point of ice three times. Give an example of results that would b…

1- a , b , c , d 3- a , b 1· The position versus time graph at right represents

1- a , b , c , d 3- a , b 1· The position versus time graph at right represents the motion of an object moving in a straight line. 10 a. Describe the motion. During which periods …

1- a 0.30 m radius automobile tire rotates how many radians after starting from

1- a 0.30 m radius automobile tire rotates how many radians after starting from rest and accelerating at a constant 2.0 rad/s^2 over a 5.0 s interval? a- 12.5 rad b. 25 rad c. 2.0…

1- a man is riding a bicycle eastward on a bicycle when he reaches a large hill

1- a man is riding a bicycle eastward on a bicycle when he reaches a large hill and loses speed as he ascends the hill. The front wheel of his bike has a radius of 0.7 meters. If …